Olive oil intake is inversely related to cancer prevalence: a systematic review and a meta-analysis of 13800 patients and 23340 controls in 19 observational studies

30 Jul 2011Theodora Psaltopoulou, Rena I Kosti, Dimitrios Haidopoulos, Meletios Dimopoulos and Demosthenes B Panagiotakos

The strength and consistency of the findings states a hypothesis about the protective role of olive oil intake on cancer risk

Meta Analysis
15 effects
4 years
37140 subjects

Reported Outcomes

CausesOutcomeCertainty

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Oral cavity and pharynx cancer Digestive outcome
Decreased risk of Oral cavity and pharynx...
Digestive system

Evidence: Moderate
-60.0%

Mediterranean diet Nutrition risk & protective factor

Larynx cancer Respiratory outcome
Decreased risk of Larynx cancer
Respiratory system

Evidence: Low
-30.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Uterine Cancer Reproductive outcome
Decreased risk of Uterine Cancer
Reproductive system

Evidence: Moderate
-32.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Pancreatic cancer Digestive outcome
Decreased risk of Pancreatic cancer
Digestive system

Evidence: Low
-25.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Bladder cancer Urinary outcome
Decreased risk of Bladder cancer
Urinary system

Evidence: Moderate
-50.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Breast Cancer Reproductive outcome
Decreased risk of Breast Cancer
Reproductive system

Evidence: Very High
-45.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Prostate Cancer Reproductive outcome
Decreased risk of Prostate Cancer
Reproductive system

Evidence: Moderate
-25.0%

Mediterranean diet Nutrition risk & protective factor

Oesophagus cancer Digestive outcome
Decreased risk of Oesophagus cancer
Digestive system

Evidence: Low
-30.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Ovary cancer Reproductive outcome
Decreased risk of Ovary cancer
Reproductive system

Evidence: Very High
-32.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Colorectal Cancer Digestive outcome
Minor decreased risk of Colorectal Cancer
Digestive system

Evidence: Low
-12.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Larynx cancer Respiratory outcome
Decreased risk of Larynx cancer
Respiratory system

Evidence: Moderate
-60.0%

Mediterranean diet Nutrition risk & protective factor

Oral cavity and pharynx cancer Digestive outcome
Decreased risk of Oral cavity and pharynx...
Digestive system

Evidence: Low
-30.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Oesophagus cancer Digestive outcome
Decreased risk of Oesophagus cancer
Digestive system

Evidence: Moderate
-30.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Stomach cancer (Gastric cancer) Digestive outcome
Decreased risk of Stomach cancer (Gastric...
Digestive system

Evidence: Moderate
-35.0%

Olive oil Nutrition risk & protective factor
Olive oil
Nutrition

Lung cancer Respiratory outcome
Decreased risk of Lung cancer
Respiratory system

Evidence: Low
-33.0%